update filename

src/shared/types/kintone.ts

@@ -58,9 +58,8 @@ export interface FileContent {
  * File config for customization
  * Using SDK's type directly from AppCustomizeResponse
  *
- * IMPORTANT: The Kintone API does NOT return file names in getAppCustomize response.
- * - FILE type: { type: "FILE", file: { fileKey: string } }
- * - URL type: { type: "URL", url: string }
+ * FILE type response includes: { type: "FILE", file: { fileKey: string, name: string, contentType: string, size: string } }
+ * URL type response includes: { type: "URL", url: string }
  *
  * Use getDisplayName() utility to get user-friendly display names.
  */

src/shared/utils/fileDisplay.ts

@@ -13,7 +13,7 @@ export function getDisplayName(
   }
 
   if (isFileResource(file)) {
-    return `${file.file.fileKey}.${fileType}`;
+    return file.file.name;
   }
 
   return `Unknown File ${index + 1}`;